537 has 4 divisors (see below), whose sum is σ = 720. Its totient is φ = 356.

The previous prime is 523. The next prime is 541. The reversal of 537 is 735.

537 is nontrivially palindromic in base 9.

537 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 537 - 2⁴ = 521 is a prime.

It is a D-number.

537 is an undulating number in base 9.

537 is a lucky number.

It is a plaindrome in base 11, base 12 and base 15.

It is not an unprimeable number, because it can be changed into a prime (547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87 + ... + 92.

It is an arithmetic number, because the mean of its divisors is an integer number (180).

It is an amenable number.

537 is a deficient number, since it is larger than the sum of its proper divisors (183).

537 is a wasteful number, since it uses less digits than its factorization.

537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its digits is 105, while the sum is 15.

The square root of 537 is about 23.1732604525. The cubic root of 537 is about 8.1281447393.

The spelling of 537 in words is "five hundred thirty-seven", and thus it is an aban number and an oban number.